Created
August 1, 2014 17:43
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| type node = | |
| | A | |
| | B | |
| | Empty | |
| | NotANode | |
| let delta centre satellite = | |
| // where delta and centre are identical, +1 | |
| // where delta and centre are A/B or B/A, -1 | |
| // any other combination, 0 | |
| // What is the syntax for matching an option against an option? |
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